1 Samuel 20:6

if thy father at all look after me, and thou hast said, David asked earnestly of me to run to Beth-Lehem his city, for a sacrifice of the days is there for all the family.

1 Samuel 9:12

And they answer them and say, 'He is; lo, before thee! haste, now, for to-day he hath come in to the city, for the people hath a stated sacrifice in a high place.

1 Samuel 17:58

and Saul saith unto him, 'Whose son art thou, O youth?' and David saith, 'Son of thy servant Jesse, the Beth-Lehemite.'

Deuteronomy 12:5

but unto the place which Jehovah your God doth choose out of all your tribes to put His name there, to His tabernacle ye seek, and thou hast entered thither,

1 Samuel 16:2-5

And Samuel saith, 'How do I go? when Saul hath heard, then he hath slain me.' And Jehovah saith, 'A heifer of the herd thou dost take in thy hand, and hast said, To sacrifice to Jehovah I have come;

John 7:42

Did not the Writing say, that out of the seed of David, and from Bethlehem -- the village where David was -- the Christ doth come?'

Treasury of Scripture Knowledge

Summary

If thy father at all miss me, then say, David earnestly asked leave of me that he might run to Bethlehem his city: for there is a yearly sacrifice there for all the family.

General references

Bible References

Beth-lehem

1 Samuel 17:58
and Saul saith unto him, 'Whose son art thou, O youth?' and David saith, 'Son of thy servant Jesse, the Beth-Lehemite.'
John 7:42
Did not the Writing say, that out of the seed of David, and from Bethlehem -- the village where David was -- the Christ doth come?'

Sacrifice

1 Samuel 9:12
And they answer them and say, 'He is; lo, before thee! haste, now, for to-day he hath come in to the city, for the people hath a stated sacrifice in a high place.
1 Samuel 16:2
And Samuel saith, 'How do I go? when Saul hath heard, then he hath slain me.' And Jehovah saith, 'A heifer of the herd thou dost take in thy hand, and hast said, To sacrifice to Jehovah I have come;

General references

1 Samuel 20:28
And Jonathan answereth Saul, 'David hath been earnestly asked of me unto Beth-Lehem,